Laser for sintering of metal powder August 23, 2019 06:19AM |
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Re: Laser for sintering of metal powder August 23, 2019 07:14AM |
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Re: Laser for sintering of metal powder August 26, 2019 04:39AM |
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Re: Laser for sintering of metal powder August 26, 2019 10:11AM |
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Re: Laser for sintering of metal powder August 26, 2019 10:32AM |
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Re: Laser for sintering of metal powder August 29, 2019 06:55AM |
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Re: Laser for sintering of metal powder August 29, 2019 09:25AM |
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Re: Laser for sintering of metal powder August 31, 2019 04:36AM |
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Re: Laser for sintering of metal powder August 31, 2019 05:32AM |
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Re: Laser for sintering of metal powder August 31, 2019 12:18PM |
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Re: Laser for sintering of metal powder August 31, 2019 02:14PM |
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Re: Laser for sintering of metal powder August 31, 2019 02:23PM |
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Re: Laser for sintering of metal powder August 31, 2019 05:13PM |
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Re: Laser for sintering of metal powder August 31, 2019 05:24PM |
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Re: Laser for sintering of metal powder September 26, 2019 01:30PM |
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Re: Laser for sintering of metal powder September 26, 2019 03:14PM |
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Re: Laser for sintering of metal powder October 01, 2019 06:38PM |
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Re: Laser for sintering of metal powder October 01, 2019 07:17PM |
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Re: Laser for sintering of metal powder October 02, 2019 04:40AM |
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Re: Laser for sintering of metal powder October 02, 2019 05:02AM |
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Re: Laser for sintering of metal powder October 02, 2019 08:22PM |
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Re: Laser for sintering of metal powder October 03, 2019 01:31AM |
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Quote
Nathan_T
I think to connect laser diode according this scheme.
Using two parallel mosfets IRLB3034PbF:
[www.mouser.com]
Re: Laser for sintering of metal powder October 03, 2019 03:09AM |
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Re: Laser for sintering of metal powder October 03, 2019 04:43AM |
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Quote
MKSA
For sure you will get powerful sparks of light but not from the laser diode !
Quote
VDX
... you still have no current regulation!!
Re: Laser for sintering of metal powder October 03, 2019 05:49AM |
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Re: Laser for sintering of metal powder October 03, 2019 11:56AM |
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Re: Laser for sintering of metal powder October 03, 2019 01:25PM |
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Re: Laser for sintering of metal powder October 03, 2019 05:21PM |
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Quote
MKSA
On the proposed schematic, The Mosfets are mounted to short circuit the power supply !
Quote
dc42
How much do these diode lasers cost?
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VDX
Had some problems when switching with MOSFETS, current controlled by OpAmps and shunts without proper "filtering" -- when switching from 0 to 20 Amps, some of the spikes were like 40-50 Amps for some ten nanoseconds, what's not directly killing the diode ... but the "negative" spikes, when switching OFF, while "only" 10 Amps, did this after some seconds !!!
Re: Laser for sintering of metal powder October 03, 2019 06:05PM |
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